Overview of Earth Simulator.

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Presentation transcript:

Overview of Earth Simulator

Outline History & Development Hardware Architecture Performance Processor Node Interconnection Network Performance Application Summary

History & Development Customers Manufacturer: 3 Japanese agencies: NASDA, JAERI, JAMSTEC Manufacturer: NEC Milestone of Development: Conceptual Design: 1997 Detail Design: 1999 Manufacture & Installation: 2000-2002 Operation: March 2002 - now

History & Development

Hardware Architecture Overview Architecture Model: NEC SX6 Architecture Distributed Memory System: 640 PNs Interconnection Network: Single state crossbar 700 Terabytes of disk storage

Overview Architecture

Arithmetic Processor 8Layers copper interconnection 20.79mm x 20.79mm 60 million transistors Clock Cycle: 500MHz(1GHz)

Processor Node 8 Arithmetic Processors 16Gb Shared Memory Divide into 32 units Remote Access Control Unit I/O processor

Processor Node

Interconnection Network RCU is directly connected to Switches and Control Units 128 Switches and 2 Control Units Number of Cable = 640x130 = 83,200 Total extension of 2,400Km or 1,900 miles

Interconnection Network

Interconnection Network

Interconnection Network

Performance Theoretical (T flops/s) sustained (T flops/s) BlueGene 91 Theoretical performance: 40Tflops/s Sustained performance ratio: 87% of its peak Some comparisons: Theoretical (T flops/s) sustained (T flops/s) BlueGene 91 70 Columbia 60 51 Earth Simulator 40 35

Application Forecast: Medical: Other: Weather forecast Predict natural disaster Medical: Speed discover of new drugs Plot the course of a pandemic Other: Simulation of nuclear power plant Research on ecological engine, nano technology.

Summary Distributed memory parallel computer 640 Processors nodes Memory: 16Gb each node Interconnection network: single state crossbar Performance: 35T flops/s

References The Earth Simulator: Top 500 http://www.es.jamstec.go.jp http://www.top500.org

Question